Electrical extension device



FIG. 1 is a rear, left side perspective view of a first embodiment of the electrical extension device;

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a front elevation view of FIG. 1, with the environment removed for clarity of disclosure;

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a bottom, left side perspective view thereof.

FIG. 8 is a rear, left side perspective view of a second embodiment of the electrical extension device;

FIG. 9 is a rear, left side perspective view of a third embodiment of the electrical extension device;

FIG. 10 is a left side elevational view thereof.

FIG. 11 is a top plan view thereof.

FIG. 12 is a bottom plan view thereof.

FIG. 13 is a bottom, left side perspective view thereof.

Notably regarding the third embodiment of the electrical extension device, the two stoppers on the respective ends of the casing/housing are flush with the casing/housing. Additionally, the rear and front elevation views are omitted for this variation, because these views are the same as FIGS. 4 and 5, respectively.

FIG. 14 is a rear, left side perspective view of a fourth embodiment of the electrical extension device;

FIG. 15 is a rear, left side perspective view of a fifth embodiment of the electrical extension device; and,

FIG. 16 is a rear, left side perspective view of a sixth embodiment of the electrical extension device.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for an electrical extension device, as shown and described. 